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If `e_(1),e_(2),e_(3)" and "e_(4)` are the four elementary outcomes in a sample space and `P(e_(1))=0.1,P(e_(2))=0.5,"and "P(e_(3))=0.1,` then the pro

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If e1,e2,e3 and e4 are the four elementary outcomes in a sample space and P(e1)=0.1,P(e2)=0.5,and P(e3)=0.1, then the probability of e4 is …… Select the correct answer from above options

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∵ P ( e 1 ) + P ( e 2 ) + P ( e 3 ) + P ( e 4 ) = 1 ∵ ⇒ 0.1 + 0.5 + 0.1 + P ( e 4 ) = 1 ⇒ ⇒ 0.7 + P ( e 4 ) = 1 ⇒ ∴ P ( e 4 ) = 0.3 ∴

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